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Remove timed mutexes in XtraDB - obsolete feature that does not link on Windows, if plugin is build dynamically

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It was already  removed from innobase in the past.
This commit is contained in:
Vladislav Vaintroub 2013-01-05 23:52:25 +01:00
parent 6e7e3f80ee
commit ac45f3b38a
1 changed files with 2 additions and 36 deletions
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38
storage/xtradb/sync/sync0sync.c
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@ -501,13 +501,7 @@ mutex_spin_wait(
{
ulint index; /* index of the reserved wait cell */
ulint i; /* spin round count */
#ifdef UNIV_DEBUG
ib_int64_t lstart_time = 0, lfinish_time; /* for timing os_wait */
ulint ltime_diff;
ulint sec;
ulint ms;
uint timer_started = 0;
#endif /* UNIV_DEBUG */
ut_ad(mutex);
/* This update is not thread safe, but we don't mind if the count
@ -540,13 +534,6 @@ spin_loop:
if (i == SYNC_SPIN_ROUNDS) {
#ifdef UNIV_DEBUG
mutex->count_os_yield++;
#ifndef UNIV_HOTBACKUP
if (timed_mutexes && timer_started == 0) {
ut_usectime(&sec, &ms);
lstart_time= (ib_int64_t)sec * 1000000 + ms;
timer_started = 1;
}
#endif /* UNIV_HOTBACKUP */
#endif /* UNIV_DEBUG */
os_thread_yield();
}
@ -639,34 +626,13 @@ spin_loop:
mutex_os_wait_count++;
mutex->count_os_wait++;
#ifdef UNIV_DEBUG
/* !!!!! Sometimes os_wait can be called without os_thread_yield */
#ifndef UNIV_HOTBACKUP
if (timed_mutexes == 1 && timer_started == 0) {
ut_usectime(&sec, &ms);
lstart_time= (ib_int64_t)sec * 1000000 + ms;
timer_started = 1;
}
#endif /* UNIV_HOTBACKUP */
#endif /* UNIV_DEBUG */
sync_array_wait_event(sync_primary_wait_array, index);
goto mutex_loop;
finish_timing:
#ifdef UNIV_DEBUG
if (timed_mutexes == 1 && timer_started==1) {
ut_usectime(&sec, &ms);
lfinish_time= (ib_int64_t)sec * 1000000 + ms;
ltime_diff= (ulint) (lfinish_time - lstart_time);
mutex->lspent_time += ltime_diff;
if (mutex->lmax_spent_time < ltime_diff) {
mutex->lmax_spent_time= ltime_diff;
}
}
#endif /* UNIV_DEBUG */
return;
}